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Doug's Headers Uncoated Headers 1973-87 Chevy/GMC Truck/SUV 4WD 265-400

776-D3364Y-4R


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Doug's Headers D3364Y-4R
$626.99
Uncoated Headers
  • 1973-87 Chevy/GMC Truck/SUV 4WD 265-400
  • 1-5/8'' to 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
  • Includes Heat Riser
  • Free Shipping - Ships directly from the manufacturer on 04/20/20
    Save $10 off $199, $20 off $299, $30 off $499, $100 off $1,199 Orders. Promo Code: SPRING exclusions apply
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    Narrow Results

    1973  CHEVROLET K20 PICKUP

    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: Q
    • CUI: 250

    1973  CHEVROLET K20 PICKUP

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: Y
    • CUI: 350

    1974  GMC K25/K2500 SUBURBAN

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: L
    • CUI: 454

    1988  GMC JIMMY

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: K
    • CUI: 350

    1989  CHEVROLET V2500 SUBURBAN

    • Liter: 6.2
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: J
    • CUI: 379

    1974  GMC K25/K2500 SUBURBAN

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: Z
    • CUI: 454

    1974  GMC K25/K2500 SUBURBAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: -
    • CUI: 350

    1975  CHEVROLET K20 SUBURBAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: V
    • CUI: 350

    1974  GMC K25/K2500 SUBURBAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: W
    • CUI: 350

    1973  CHEVROLET K20 PICKUP

    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: Q
    • CUI: 250

    1975  GMC K25 SUBURBAN

    • Liter: 4.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: T
    • CUI: 292

    1973  CHEVROLET K20 PICKUP

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: L
    • CUI: 454

    1977  CHEVROLET K10 SUBURBAN

    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: D
    • CUI: 250

    1978  GMC JIMMY

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: U
    • CUI: 305

    1978  GMC K15 SUBURBAN

    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: D
    • CUI: 250

    1973  CHEVROLET K20 PICKUP

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: X
    • CUI: 307

    1973  CHEVROLET K20 PICKUP

    • Liter: 4.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: T
    • CUI: 292

    1975  CHEVROLET K20 SUBURBAN

    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: M
    • CUI: 400

    1973  CHEVROLET K20 PICKUP

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: W
    • CUI: 350

    1974  GMC K25/K2500 SUBURBAN

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: Z
    • CUI: 454

    1973  CHEVROLET K20 PICKUP

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: Y
    • CUI: 350

    1989  CHEVROLET V2500 SUBURBAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: K
    • CUI: 350

    1974  GMC K25/K2500 SUBURBAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: Y
    • CUI: 350

    1973  CHEVROLET K20 PICKUP

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: F
    • CUI: 307

    1978  GMC JIMMY

    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: D
    • CUI: 250

    1974  GMC K25/K2500 SUBURBAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: Y
    • CUI: 350

    1978  GMC JIMMY

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: L
    • CUI: 350

    1973  CHEVROLET K20 PICKUP

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: W
    • CUI: 350

    1974  GMC K25/K2500 SUBURBAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: W
    • CUI: 350

    1974  GMC K25/K2500 SUBURBAN

    • Liter: 4.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: T
    • CUI: 292

    1986  GMC K2500 SUBURBAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: M
    • CUI: 350

    1978  GMC K15 SUBURBAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: L
    • CUI: 350

    1988  GMC JIMMY

    • Liter: 6.2
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: C
    • CUI: 379

    1977  CHEVROLET K10 SUBURBAN

    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: R
    • CUI: 400

    1974  GMC K25/K2500 SUBURBAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: V
    • CUI: 350

    1977  CHEVROLET K10 SUBURBAN

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: U
    • CUI: 305

    1975  GMC K25 SUBURBAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: V
    • CUI: 350

    1974  GMC K25/K2500 SUBURBAN

    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: Q
    • CUI: 250

    1986  GMC K2500 SUBURBAN

    • Liter: 6.2
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: J
    • CUI: 379

    1974  GMC K25/K2500 SUBURBAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: V
    • CUI: 350

    1974  GMC K25/K2500 SUBURBAN

    • Liter: 4.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: T
    • CUI: 292

    1973  CHEVROLET K20 PICKUP

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: -
    • CUI: 350

    1983  CHEVROLET K20 SUBURBAN

    • Liter: 6.2
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: J
    • CUI: 379

    1983  CHEVROLET K20 SUBURBAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: L
    • CUI: 350

    1977  CHEVROLET K10 SUBURBAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: L
    • CUI: 350

    1974  GMC K25/K2500 SUBURBAN

    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: Q
    • CUI: 250

    1975  GMC K25 SUBURBAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: Y
    • CUI: 350

    1983  CHEVROLET K20 SUBURBAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: M
    • CUI: 350

    1973  CHEVROLET K20 PICKUP

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: Z
    • CUI: 454

    1978  GMC K15 SUBURBAN

    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: R
    • CUI: 400

    1978  GMC K15 SUBURBAN

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: U
    • CUI: 305

    1973  CHEVROLET K20 PICKUP

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: Z
    • CUI: 454

    1973  CHEVROLET K20 PICKUP

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: -
    • CUI: 350

    1978  GMC JIMMY

    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: R
    • CUI: 400

    1973  CHEVROLET K20 PICKUP

    • Liter: 4.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: T
    • CUI: 292

    1975  GMC K25 SUBURBAN

    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: M
    • CUI: 400

    1975  CHEVROLET K20 SUBURBAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: Y
    • CUI: 350

    1975  CHEVROLET K20 SUBURBAN

    • Liter: 4.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: T
    • CUI: 292

    1974  GMC K25/K2500 SUBURBAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ALL
    • Engine Vin: -
    • CUI: 350

    Items You Need

    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

    Tools:

    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.